diff options
Diffstat (limited to 'src/vnet/interface_cli.c')
| -rw-r--r-- | src/vnet/interface_cli.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index 94eb7ea9bef..bfce03e155d 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -1175,7 +1175,245 @@ VLIB_CLI_COMMAND (clear_tag_command, static) = { }; /* *INDENT-ON* */ +static clib_error_t * +set_interface_rx_mode (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + unformat_input_t _line_input, *line_input = &_line_input; + vnet_main_t *vnm = vnet_get_main (); + vnet_hw_interface_t *hw; + u32 hw_if_index = (u32) ~ 0; + u32 queue_id = (u32) ~ 0; + vnet_hw_interface_rx_mode mode = VNET_HW_INTERFACE_RX_MODE_UNKNOWN; + int i, rv = 0; + + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat + (line_input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) + ; + else if (unformat (line_input, "queue %d", &queue_id)) + ; + else if (unformat (line_input, "polling")) + mode = VNET_HW_INTERFACE_RX_MODE_POLLING; + else if (unformat (line_input, "interrupt")) + mode = VNET_HW_INTERFACE_RX_MODE_INTERRUPT; + else if (unformat (line_input, "adaptive")) + mode = VNET_HW_INTERFACE_RX_MODE_ADAPTIVE; + else + { + error = clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + unformat_free (line_input); + return error; + } + } + + unformat_free (line_input); + + if (hw_if_index == (u32) ~ 0) + return clib_error_return (0, "please specify valid interface name"); + if (mode == VNET_HW_INTERFACE_RX_MODE_UNKNOWN) + return clib_error_return (0, "please specify valid rx-mode"); + + hw = vnet_get_hw_interface (vnm, hw_if_index); + + if (queue_id == ~0) + for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++) + { + rv = vnet_hw_interface_set_rx_mode (vnm, hw_if_index, i, mode); + if (rv) + goto error; + } + else + rv = vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode); + + if (rv) + goto error; + + return 0; + +error: + if (rv == VNET_API_ERROR_UNSUPPORTED) + return clib_error_return (0, "unsupported"); + + if (rv == VNET_API_ERROR_INVALID_INTERFACE) + return clib_error_return (0, "invalid interfaace"); + + return clib_error_return (0, "unknown error"); +} + +/*? + * This command is used to assign a given interface, and optionally a + * given queue, to a different thread. If the '<em>queue</em>' is not provided, + * it defaults to 0. + * + * @cliexpar + * Example of how to display the interface placement: + * @cliexstart{show interface rx-placement} + * Thread 1 (vpp_wk_0): + * GigabitEthernet0/8/0 queue 0 + * GigabitEthernet0/9/0 queue 0 + * Thread 2 (vpp_wk_1): + * GigabitEthernet0/8/0 queue 1 + * GigabitEthernet0/9/0 queue 1 + * @cliexend + * Example of how to assign a interface and queue to a thread: + * @cliexcmd{set interface placement GigabitEthernet0/8/0 queue 1 thread 1} +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (cmd_set_if_rx_mode,static) = { + .path = "set interface rx-mode", + .short_help = "set interface rx-mode <interface> [queue <n>] [polling | interrupt | adaptive]", + .function = set_interface_rx_mode, +}; +/* *INDENT-ON* */ + +static clib_error_t * +show_interface_rx_placement_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + u8 *s = 0; + vnet_main_t *vnm = vnet_get_main (); + vnet_device_input_runtime_t *rt; + vnet_device_and_queue_t *dq; + vlib_node_t *pn = vlib_get_node_by_name (vm, (u8 *) "device-input"); + uword si; + int index = 0; + + /* *INDENT-OFF* */ + foreach_vlib_main (({ + clib_bitmap_foreach (si, pn->sibling_bitmap, + ({ + rt = vlib_node_get_runtime_data (this_vlib_main, si); + + if (vec_len (rt->devices_and_queues)) + s = format (s, " node %U:\n", format_vlib_node_name, vm, si); + + vec_foreach (dq, rt->devices_and_queues) + { + s = format (s, " %U queue %u (%U)\n", + format_vnet_sw_if_index_name, vnm, dq->hw_if_index, + dq->queue_id, + format_vnet_hw_interface_rx_mode, dq->mode); + } + })); + if (vec_len (s) > 0) + { + vlib_cli_output(vm, "Thread %u (%v):\n%v", index, + vlib_worker_threads[index].name, s); + vec_reset_length (s); + } + index++; + })); + /* *INDENT-ON* */ + + vec_free (s); + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_interface_rx_placement, static) = { + .path = "show interface rx-placement", + .short_help = "show interface rx-placement", + .function = show_interface_rx_placement_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +set_interface_rx_placement (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + unformat_input_t _line_input, *line_input = &_line_input; + vnet_main_t *vnm = vnet_get_main (); + vnet_device_main_t *vdm = &vnet_device_main; + vnet_hw_interface_rx_mode mode; + u32 hw_if_index = (u32) ~ 0; + u32 queue_id = (u32) 0; + u32 thread_index = (u32) ~ 0; + int rv; + + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat + (line_input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) + ; + else if (unformat (line_input, "queue %d", &queue_id)) + ; + else if (unformat (line_input, "main", &thread_index)) + thread_index = 0; + else if (unformat (line_input, "worker %d", &thread_index)) + thread_index += vdm->first_worker_thread_index; + else + { + error = clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + unformat_free (line_input); + return error; + } + } + + unformat_free (line_input); + + if (hw_if_index == (u32) ~ 0) + return clib_error_return (0, "please specify valid interface name"); + + if (thread_index > vdm->last_worker_thread_index) + return clib_error_return (0, + "please specify valid worker thread or main"); + + rv = vnet_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &mode); + + if (rv) + return clib_error_return (0, "not found"); + + rv = vnet_hw_interface_unassign_rx_thread (vnm, hw_if_index, queue_id); + + if (rv) + return clib_error_return (0, "not found"); + + vnet_hw_interface_assign_rx_thread (vnm, hw_if_index, queue_id, + thread_index); + vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode); + + return 0; +} + +/*? + * This command is used to assign a given interface, and optionally a + * given queue, to a different thread. If the '<em>queue</em>' is not provided, + * it defaults to 0. + * + * @cliexpar + * Example of how to display the interface placement: + * @cliexstart{show interface placement} + * Thread 1 (vpp_wk_0): + * GigabitEthernet0/8/0 queue 0 + * GigabitEthernet0/9/0 queue 0 + * Thread 2 (vpp_wk_1): + * GigabitEthernet0/8/0 queue 1 + * GigabitEthernet0/9/0 queue 1 + * @cliexend + * Example of how to assign a interface and queue to a thread: + * @cliexcmd{set interface placement GigabitEthernet0/8/0 queue 1 thread 1} +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (cmd_set_if_rx_placement,static) = { + .path = "set interface rx-placement", + .short_help = "set interface rx-placement <hw-interface> [queue <n>] [thread <n> | main]", + .function = set_interface_rx_placement, +}; + +/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * |